nanocore | b0ed62c205e64aa1b1766522652d408eb901060be4905507ec093c3d5b354469

General

Target

b0ed62c205e64aa1b1766522652d408eb901060be4905507ec093c3d5b354469.exe
Size

970KB
MD5

3b978ac0e92867620268c8caa127e1f0
SHA1

d43a4e656ffd6d7edb67129288d26ba225980aff
SHA256

b0ed62c205e64aa1b1766522652d408eb901060be4905507ec093c3d5b354469
SHA512

e9918db9a7e19b5ab85b4615dfefafd7fda5a78b92fc9e51309a44290d44a99b8f92fcacde077a1fe9f88163922ee691bb9509f49dc2fb37686a73afc296171c
SSDEEP

12288:CH7Wcjdc/r2sxxiPGGAOOPSXDV8ClgVYhX5FSsf8Q1Ne4SpA5u6Hq7f76hy8wzY:CbCj2sObHtqQ4Q1YJpAzof5c

Score

10^/10

nanocore evasion keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

95.168.27.120:53459

Mutex

fa6c7e21-60e1-4f18-a05b-b0dad483f7d3

Attributes

activate_away_mode
true
backup_connection_host
95.168.27.120
backup_dns_server
8.8.4.4
buffer_size
65535
build_time
2015-02-26T13:44:29.997407236Z
bypass_user_account_control
true
bypass_user_account_control_data
clear_access_control
true
clear_zone_identifier
false
connect_delay
4000
connection_port
53459
default_group
Default
enable_debug_mode
true
gc_threshold
1.048576e+07
keep_alive_timeout
30000
keyboard_logging
false
lan_timeout
2500
max_packet_size
1.048576e+07
mutex
fa6c7e21-60e1-4f18-a05b-b0dad483f7d3
mutex_timeout
5000
prevent_system_sleep
true
primary_connection_host
primary_dns_server
8.8.8.8
request_elevation
true
restart_delay
5000
run_delay
0
run_on_startup
true
set_critical_process
true
timeout_interval
5000
use_custom_dns_server
false
version
1.2.2.0
wan_timeout
8000

Signatures

Modifies WinLogon for persistence 2 TTPs 1 IoCs

persistence

Winlogon Helper DLL

T1004

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\shell = "C:\\Users\\Admin\\AppData\\Local\\Temp\\Windows\\filename.exe,explorer.exe"	b0ed62c205e64aa1b1766522652d408eb901060be4905507ec093c3d5b354469.exe

NanoCore
NanoCore is a remote access tool (RAT) with a variety of capabilities.
keylogger trojan stealer spyware nanocore

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Software\Microsoft\Windows\CurrentVersion\Run	b0ed62c205e64aa1b1766522652d408eb901060be4905507ec093c3d5b354469.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Microsoft = "C:\\Users\\Admin\\AppData\\Local\\Temp\\Windows\\filename.exe"	b0ed62c205e64aa1b1766522652d408eb901060be4905507ec093c3d5b354469.exe

Checks whether UAC is enabled 1 TTPs 1 IoCs

evasion trojan

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	b0ed62c205e64aa1b1766522652d408eb901060be4905507ec093c3d5b354469.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1792 set thread context of 3380	1792	b0ed62c205e64aa1b1766522652d408eb901060be4905507ec093c3d5b354469.exe	81

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 7 IoCs

pid	Process
1792	b0ed62c205e64aa1b1766522652d408eb901060be4905507ec093c3d5b354469.exe
1792	b0ed62c205e64aa1b1766522652d408eb901060be4905507ec093c3d5b354469.exe
1792	b0ed62c205e64aa1b1766522652d408eb901060be4905507ec093c3d5b354469.exe
1792	b0ed62c205e64aa1b1766522652d408eb901060be4905507ec093c3d5b354469.exe
3380	RegSvcs.exe
3380	RegSvcs.exe
3380	RegSvcs.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
3380	RegSvcs.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	3380	RegSvcs.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 1792 wrote to memory of 3380	1792	b0ed62c205e64aa1b1766522652d408eb901060be4905507ec093c3d5b354469.exe	81
PID 1792 wrote to memory of 3380	1792	b0ed62c205e64aa1b1766522652d408eb901060be4905507ec093c3d5b354469.exe	81
PID 1792 wrote to memory of 3380	1792	b0ed62c205e64aa1b1766522652d408eb901060be4905507ec093c3d5b354469.exe	81
PID 1792 wrote to memory of 3380	1792	b0ed62c205e64aa1b1766522652d408eb901060be4905507ec093c3d5b354469.exe	81
PID 1792 wrote to memory of 3380	1792	b0ed62c205e64aa1b1766522652d408eb901060be4905507ec093c3d5b354469.exe	81
PID 1792 wrote to memory of 3380	1792	b0ed62c205e64aa1b1766522652d408eb901060be4905507ec093c3d5b354469.exe	81
PID 1792 wrote to memory of 3380	1792	b0ed62c205e64aa1b1766522652d408eb901060be4905507ec093c3d5b354469.exe	81
PID 1792 wrote to memory of 3380	1792	b0ed62c205e64aa1b1766522652d408eb901060be4905507ec093c3d5b354469.exe	81

C:\Users\Admin\AppData\Local\Temp\b0ed62c205e64aa1b1766522652d408eb901060be4905507ec093c3d5b354469.exe
"C:\Users\Admin\AppData\Local\Temp\b0ed62c205e64aa1b1766522652d408eb901060be4905507ec093c3d5b354469.exe"
1⤵
- Modifies WinLogon for persistence
- Adds Run key to start application
- Checks whether UAC is enabled
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:1792
- C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegSvcs.exe
  "C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegSvcs.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: GetForegroundWindowSpam
  - Suspicious use of AdjustPrivilegeToken
  PID:3380

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

Winlogon Helper DLL

Privilege Escalation

Defense Evasion

Modify Registry

2

T1112

Credential Access

Discovery

System Information Discovery

2

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/3380-132-0x0000000000000000-mapping.dmp

Download
memory/3380-133-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/3380-134-0x00000000750D0000-0x0000000075681000-memory.dmp

Filesize
5.7MB

Download
memory/3380-135-0x00000000750D0000-0x0000000075681000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads